Question # 1

The corner point of the boundary lines, x-2y

2x + y = 2 is:

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(2,6)

(6,2)

(-2,2)

(2,-2)

The liner equation ax + by = c is called _________ of the inequality ax +by > c.

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Associated equation

Non-associated equation

disjoint equation

Feasible equation

The graph of y> 0 is the upper - half of:

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y-axis

x-axis

1st and 4th quandrant

2nd and 3rd quadrant

A function which is to be maximized or minimized is called an

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Explicit function

Implicit function

Objective function

None

Which of the following ordered pair is a solution of the inequality x+2y<6?

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(2,3)

(2,2)

(6,0)

(1,1)

If 4 - x >5, then

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x > 1

x > -1

x < 1

x < -1

Maximum value of z =15x +20y subject to 3x+ 4y≤ 12,x,y≥ 0 is given by

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46

60

50

70

3x + 4 < 0 is

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not inequality

equation

identity

inequality

The point ________ is in the solution of the inequality 2x - 3y > 5

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(1, -1)

(2,2)

(0,0)

(3,0)

The point (1,3) is one solution of

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3x + 5y > 29

3x + 5y < 7

x + 2y < 4

x + 4y > 3

A point (x,y) which satisfy a linear inequality in two variables form its

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Solution

Domain

Range

None

Each point of the feasible region is called

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Solution

feasible solution

Both a & b

None

The graph of the linear equation of the form ax =by = c is a line which divided the plane into:

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Two similar regions

Two disjoint regions

Four equal parts

One region

A point where two of its boundary lines intersect is called

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Corner point

Feasible point

Vertex

Feasible solution

The points (x, y) which satisfy a linear inequality in two variables x and y from its

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domain

range

solution

none of these

Multiplying each side of an inequality by (-1) will:

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Not effect

Change the sign

Become zero

Not defined

3x + 4 > 0 is

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equation

inequality

identity

none of these

The graph of linear equation 2x + 3y = 10

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Parabola

Circle

Hyperbola

Straight line

Inequalities have ______ symbol

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2

3

4

1

Corner point of the system x - y≤ 2,x + y≤ 4,2x -y≤ 6,x≥ 0,y≥ 0

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(1,4)

(4,2)

(3,1)

(4,1)

(2, 1) is in the solution of the inequality

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2x + y > 7

x - y > 2

3x + 5y < 6

2x + y < 6

x = ________ is in the solution of 2x - 5 > 0

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0

2

-2

3

(1, 1) is the in the solution of the inequality

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3x + 4y > 3

2x + 3y < 2

4x = 3y > 5

2c - 3y > 2

If x < y, 2x = A, and 2y = B, then

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A = B

A < B

A < x

B < y

3x + 4 = 0 is

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not inequality

equation

identity

inequality

The feasible region which can be enclosed within a circle is called

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Bounded region

Convex region

Unbounded region

None

If -1 < x < 0, which of the following statements must be true?

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x < x²< x³

x < x³< x²

x²< x³< x

x²< x < x³

Optimize means ______ a quantity under certain constraints

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Minimize

Maximize

Maximize or minimize

None of these

(0,1) is in the solution of the inequality

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3x + 2y > 8

2x - 3y < 4

2x + 3y > 5

x -2y < -5

ax + by < c is linear inequality in

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four variables

three variables

two variables

one variable

Which of the following is not a solution of system of inequalities 2x- 3y ≤6,2x +y≥ 2,x +2y≤ 8, x≥ 0,y ≥ 0

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(1,0)

(0,4)

(3,0)

(8,0)

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